{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd\n",
    "import geopandas as gpd\n",
    "import geoviews as gv\n",
    "\n",
    "gv.extension('matplotlib')\n",
    "gv.output(fig='svg', size=200)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Declaring data"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "geometries = gpd.read_file('../../assets/boundaries/boundaries.shp')\n",
    "referendum = pd.read_csv('../../assets/referendum.csv')\n",
    "gdf = gpd.GeoDataFrame(pd.merge(geometries, referendum))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Plot"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "gv.Polygons(gdf, vdims=['name', 'leaveVoteshare'], label='Brexit Referendum Vote').opts(\n",
    "    color='leaveVoteshare', colorbar=True, padding=0.1)"
   ]
  }
 ],
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